Hardware Basics Fundamentals

This is the first Unit we are covering from the ITGS syllabus. The main subtopics to cover are:

• Types of computers:
  1. Personal Computer (PC)
  2. Tablet
  3. Smartphones
  4. Laptop
  5. Netbook
  6. PDA (personal digital assitant)
• Hardware components:
  1. Motherboard
  2. Central Processing Unit (CPU)
  3. Microprocessors
  4. Random Access Memory (RAM)
  5. Read Only Memory (ROM)
  6. ROM
  7. Ports:
     • Ehternet
     • VGA
     • Paralel
     • Serial
     • PS/2
     • USB
• Input and Output Devices
  1. Keyboard
  2. Mouse
  3. Touchpad
  4. GamePad / Chat Pad
  5. Optical Mark Recognition (OMR)
  6. Optical Character Recognition (OCR)
  7. Magnetic Ink Character Recognition (MICR)
  8. Radio Frequency Identification (RFID)
  9. Radio Tag
  10. Scanners
  11. Bar Code Scanners
  12. QR Code Scanners
  13. Fingerprint Scanner
  14. Magnetic Stripe Readers
  15. Smart Card Readers
  16. Microphones
  17. Speakers/Headphones
  18. Printers
  19. Plotters
  20. Sensors
  21. Monitors
  22. Projectors
  23. Flexible Displays
  24. CD-ROM
  25. CD-RW
  26. DVD-ROM
  27. DVD-RW
  28. BlueRay-ROM
  29. BlueRay-RW
  30. Media Players
  31. Picture Cameras
  32. Modems
  33. Memory Card Readers
  34. Flash Drives
  35. Hard Disk Drives (HDD)
      1. Magnetic HDD
      2. Solid State HDD
      3. SATA / IDE
      4. RAID
• Measures
  • bit
  • byte
  • hertz
  • megahertz (MHz)
  • gigahertz (GHz)
  • terahertz (THz)
  • Kilobyte (KB)
  • Kilobit (Kb)
  • Megabyte (MB)
  • Megabit (Mb)
  • Gigabyte (GB)
  • Gigabit (Gb)
  • Terabyte (TB)
  • Terabit (Tb)
  • Petabyte (PB)
  • Exabyte (EB)
  • Zettabyte (ZB)
  • Yottabyte (YB)

• Key Terms

• Diagrams